25
15
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
|                       |                                       |                   |   |       |   |
+   +---+---+---+---+---+   +---+---+---+   +---+---+   +---+   +   +   +---+---+   +   +   +   +   +
|           |               |       |           |           |       |           |           |       |
+   +---+---+---+---+---+   +   +   +   +---+---+---+   +   +---+---+---+---+   +---+   +---+---+   +
|   |           |           |   |   |   |               |                   |   |       |           |
+   +   +---+---+   +---+---+   +   +   +   +---+---+---+---+---+---+   +---+   +---+---+---+   +---+
|               |           |   |   |   |   |       |                   |           |       |       |
+   +---+   +---+---+   +   +---+   +   +   +   +---+   +---+---+   +---+---+---+---+   +   +---+   +
|   |       |       |   |       |   |   |           |       |   |   |       |           |   |       |
+   +---+---+   +   +   +---+---+   +---+---+---+   +---+   +   +   +   +   +   +---+---+---+   +   +
|       |   |   |       |       |                   |   |       |       |   |           |       |   |
+---+   +   +   +   +---+---+   +---+---+---+---+---+   +   +   +---+---+   +   +   +   +   +---+   +
|       |   |   |   |   |       |       |           |   |   |       |           |   |   |   |       |
+   +---+   +---+   +   +   +---+   +   +---+   +   +   +   +---+   +---+---+---+   +---+---+---+---+
|                           |       |           |   |           |           |   |   |               |
+---+---+---+---+---+   +---+   +---+---+   +   +---+   +---+---+---+---+   +   +   +   +---+---+   +
|           |           |       |       |   |       |                   |   |       |   |           |
+---+---+   +---+---+   +   +---+   +---+   +---+   +---+---+---+---+   +   +---+---+   +   +---+---+
|   |           |       |       |           |   |           |   |       |   |           |       |   |
+   +   +---+---+   +   +---+   +   +---+   +   +---+   +   +   +---+---+   +   +---+---+---+   +   +
|       |           |   |       |       |   |   |       |               |   |   |           |       |
+---+   +   +---+   +---+   +---+---+   +   +   +   +---+---+---+---+---+   +   +---+---+   +---+   +
|   |   |       |           |   |       |   |   |       |                   |       |       |       |
+   +   +---+   +   +   +---+   +---+---+   +   +   +   +   +---+---+   +---+---+   +   +---+   +   +
|           |   |   |   |   |       |       |   |   |   |           |           |   |           |   |
+   +---+   +   +---+---+   +   +   +   +---+   +   +---+---+   +   +   +---+   +   +   +---+---+   +
|       |   |   |       |       |       |               |       |   |   |   |       |       |       |
+---+   +---+---+   +   +---+---+---+   +   +---+---+---+---+---+   +---+   +   +---+---+---+   +---+
|                   |                   |               |                   |               |       |
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
